Base | Representation |
---|---|
bin | 1010010111101… |
… | …00110111001110 |
3 | 20001200100121202 |
4 | 11023310313032 |
5 | 134232024230 |
6 | 12344225502 |
7 | 2104241024 |
oct | 513646716 |
9 | 201610552 |
10 | 86986190 |
11 | 45113015 |
12 | 2516b292 |
13 | 15038225 |
14 | b7a4714 |
15 | 7983a45 |
hex | 52f4dce |
86986190 has 16 divisors (see below), whose sum is σ = 159907392. Its totient is φ = 34053984.
The previous prime is 86986187. The next prime is 86986219. The reversal of 86986190 is 9168968.
It is a super-2 number, since 2×869861902 = 15133194501432200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92069 + ... + 93008.
It is an arithmetic number, because the mean of its divisors is an integer number (9994212).
Almost surely, 286986190 is an apocalyptic number.
86986190 is a deficient number, since it is larger than the sum of its proper divisors (72921202).
86986190 is a wasteful number, since it uses less digits than its factorization.
86986190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185131.
The product of its (nonzero) digits is 186624, while the sum is 47.
The square root of 86986190 is about 9326.6387300034. The cubic root of 86986190 is about 443.0813154239.
The spelling of 86986190 in words is "eighty-six million, nine hundred eighty-six thousand, one hundred ninety".
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